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	HJM Framework	Model rynku Libor
Dziedzina	Finanse ilościowe	Finanse ilościowe
Rodzina	Regression model	Regression model
Rok powstania	1992	1997
Twórca	David Heath, Robert Jarrow, and Andrew Morton	Alan Brace, Dariusz Gatarek, and Marek Musiela
Typ	Interest Rate Framework	Interest Rate Model
Źródło pierwotne	Heath, D., Jarrow, R. A., & Morton, A. (1992). Bond pricing and the term structure of interest rates: A new methodology for contingent claims valuation. Econometrica, 60(1), 77-105.	Brace, A., Gatarek, D., & Musiela, M. (1997). The market model of interest rate dynamics. Mathematical Finance, 7(2), 127-155.
Inne nazwy	Forward Rate Model, No-Arbitrage Drift Condition	BGM Model, LMM
Pokrewne	4	4
Podsumowanie	The Heath-Jarrow-Morton (HJM) framework (1992) is a general no-arbitrage approach to modeling the entire term structure of forward rates. Unlike short-rate models, HJM works directly with forward rates f(t,T) and specifies their volatility; the drift is then determined by arbitrage constraints. This flexibility enables multi-factor modeling and accurate calibration to swaption matrices.	The LIBOR Market Model (BGM), developed by Brace, Gatarek, and Musiela (1997), is a multi-factor interest rate model that directly models forward LIBOR rates as lognormal processes. Unlike short-rate models, LMM naturally prices caplets at the market level and is the industry standard for valuing caps, floors, and exotic interest rate derivatives.